Description: AFM ER70S-3 is intended for welding single-pass and multi-pass welds. It provides sufficient deoxidation to allow welding over light mill scale. Typical base metal specifications are often the same as those for AFM ER70S-2.
Chemical Composition Requirements for Solid Electrodes and Rods: |
(C) |
Carbon |
0.06 to 0.15 |
(Cr) |
Chromium |
(a) |
(Cu) |
Copper |
0.50 |
(Mn) |
Manganese |
0.90 to 1.40 |
(Mo) |
Molybtenum |
(a) |
(Ni) |
Nickel |
(a) |
(P) |
Phosphorus |
0.025 |
(S) |
Sulfer |
0.035 |
(Si) |
Silicon |
0.45 to 0.75 |
(V) |
Vanadium |
(a) |
a. These residual elements shall not exceed 0.50 in total.
All values are considered maximum, unless other-wise noted.
Typical Mechanical Properties:
- Tensile Strength, psi 78,000
- MPa 538
- Yield Strength, psi 62,000
- MPa 427 Elongation, (%, 2¡±) 22
- Charpy V-Notch (ft.-lbs. @ -20¡ÆF) 38
Standard Sizes: .030 (0.8mm), .035 (0.9mm), .045 (1.2mm), 1/16 (1.6mm), 3/32 (2.4mm), 1/8 (3.2mm), & 5/32 (4.0mm)
